Answer:
Chemical reaction involves the breaking of bonds in the reactants and formation of bonds in the products. ... If a reaction is exothermic, more energy is released when the bonds of the products are formed than it takes to break the bonds of the reactants. This is the reason for temperature change during a reaction.
Explanation:
Here are just a few everyday demonstrations that temperature changes the rate of chemical reaction: Cookies bake faster at higher temperatures. Bread dough rises more quickly in a warm place than in a cool one.
Answer:
Explanation:
I would ask him why would he want to add the blue stripe?
Answer is d. in hetrogeneous you can separate things from each other
False. Carbon is definitely one of the 92 naturally occurring elements within the periodic table.
I think it's A but it might be different from your school and mine
